Conejos River North Fork Trail #714.
USFS webpage.
See chapter "57 Conejos River Semiloop" in FalconGuides book Hiking Colorado's Weminuche and South San Juan Wilderness Areas.

3.59 + approach

+1,240

Moderate

Conejos River South Fork Trail #724.
USFS webpage.
See chapter "51 South Fork / Roaring Gulch Semiloop" in FalconGuides book Hiking Colorado's Weminuche and South San Juan Wilderness Areas.

10.9

+2,450

Moderate to Strenuous

Conejos River Trail #712. (Also known as Three Forks Trail.)
USFS webpage.
See chapter "56 Blue Lake via Three Forks" in FalconGuides book Hiking Colorado's Weminuche and South San Juan Wilderness Areas. See chapter "57 Conejos River Semiloop" in FalconGuides book Hiking Colorado's Weminuche and South San Juan Wilderness Areas.

Glacier Lake Trail #711. (Line but no number on USFS map.)
USFS webpage.
See chapter "53 Conejos Peak Semiloop" in FalconGuides book
Hiking Colorado's Weminuche and South San Juan Wilderness Areas.

3.6 + approach

Great Sand Dunes National Park & Preserve Trail System.
NPS
hiking/backpacking webpage.
NPS map.
See chapter "36 Dunes Hiking" in FalconGuides book Hiking Colorado.
See chapter "39 The Great Sand Dunes" in Altitude Publishing book
The Best Hikes of Colorado.
See description "Sand Ramp Trail" on south map of Sky Terrain map
Sangre de Cristo / Great Sand Dunes.

Hunters Lake Trail #800. (Line but no number on USFS map.)
USFS webpage.
See chapter "23 Hunters Lake Loop" in FalconGuides book
Hiking Colorado's Weminuche and South San Juan Wilderness Areas.
See chapter "24 Highline Trail" in FalconGuides book
Hiking Colorado's Weminuche and South San Juan Wilderness Areas.